Compilare: main.cpp: In function 'int main()': main.cpp:227:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<g[i].size();j++) ~^~~~~~~~~~~~ main.cpp:35:26: warning: unused variable 'contor' [-Wunused-variable] int n, i, j, x, nod, contor=0, steag, nod0, nod1, schimb, schimb_d, schimb_tot=0, rasp, aux, comp_conexe=0, nr_muchii, in, q, y; ^~~~~~ main.cpp:35:55: warning: unused variable 'schimb' [-Wunused-variable] int n, i, j, x, nod, contor=0, steag, nod0, nod1, schimb, schimb_d, schimb_tot=0, rasp, aux, comp_conexe=0, nr_muchii, in, q, y; ^~~~~~ main.cpp:35:87: warning: unused variable 'rasp' [-Wunused-variable] int n, i, j, x, nod, contor=0, steag, nod0, nod1, schimb, schimb_d, schimb_tot=0, rasp, aux, comp_conexe=0, nr_muchii, in, q, y; ^~~~ main.cpp:35:124: warning: unused variable 'in' [-Wunused-variable] int n, i, j, x, nod, contor=0, steag, nod0, nod1, schimb, schimb_d, schimb_tot=0, rasp, aux, comp_conexe=0, nr_muchii, in, q, y; ^~ main.cpp:40:21: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d", &n); ^ main.cpp:42:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d", &v1[i]); ^ main.cpp:46:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d", &v2[i]); ^